N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine

Name: N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine
Brand: Zemixal
SKU: ZX-043713

Reference StandardAvailable on request

Buy N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine (CAS 144889-50-9) from Zemixal. Request a quote with price, lead time and documents.

Pack sizes

N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine chemical structure

CAS number144889-50-9

FormulaC₉H₁₇NO₅S

Molar mass251.3 g/mol

Physical formSolid

HS code38229090

InChIKeyVGJNEDFZFZCLSX-MQWKRIRWSA-N

IUPAC name(2R)-2-acetamido-3-(3,4-dihydroxybutylsulfanyl)propanoic acid

About N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine

Analytical teams working on Acetone use N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine as a qualified comparison standard. Identity at a glance (Reference Standard): CAS 144889-50-9, formula C9H17NO5S and molar mass 251.3 g/mol. It is handled as a solid.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Acetone

See every impurity, metabolite and related compound we list for this API.

Acetone standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine
Product name	N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine
Catalogue number	ZX-043713
CAS number	144889-50-9
IUPAC name	(2R)-2-acetamido-3-(3,4-dihydroxybutylsulfanyl)propanoic acid
Molecular formula	C₉H₁₇NO₅S
Molar mass	251.3 g/mol
Exact mass	251.0827
Grade	Reference Standard
Physical form	Solid
XLogP3	-1.1
H-bond donors / acceptors	4 / 6
Topological polar surface area	132 Å²
HS code	38229090
InChIKey	VGJNEDFZFZCLSX-MQWKRIRWSA-N
SMILES	CC(=O)N[C@@H](CSCCC(CO)O)C(=O)O
PubChem CID	44151464
Synonyms	L-Cysteine, N-acetyl-S-(3,4-dihydroxybutyl)-, (2R)-2-Acetamido-3-((3,4-dihydroxybutyl)thio)propanoic acid, L-Cysteine,N-acetyl-S-(3,4-dihydroxybutyl)-, N-Acetyl-S- (3,4-dihydroxybutyl)-cysteine, S-(3,4-Dihydroxybutyl)-N-(1-hydroxyethylidene)cysteine, (2R)-2-acetamido-3-(3,4-dihydroxybutylsulanyl)propanoic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine

Which CAS number identifies N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine?

N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine is registered under CAS 144889-50-9. You may also see it listed as L-Cysteine, N-acetyl-S-(3,4-dihydroxybutyl)-, (2R)-2-Acetamido-3-((3,4-dihydroxybutyl)thio)propanoic acid, L-Cysteine,N-acetyl-S-(3,4-dihydroxybutyl)-. Our catalogue number for this item is ZX-043713.

What are the formula and molar mass of N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine?

For N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine, its formula is C9H17NO5S and its molar mass is 251.3 g/mol. The systematic (IUPAC) name is (2R)-2-acetamido-3-(3,4-dihydroxybutylsulfanyl)propanoic acid. InChIKey VGJNEDFZFZCLSX-MQWKRIRWSA-N lets you match it in any structure database.

How is N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine used in pharmaceutical QC?

N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine is a characterised reference material linked to Acetone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine to my country?

Yes. Because N-Acetyl-S-(3,4-dihydroxybutyl)-L-cysteine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

More Acetone standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list